Pocket Watch Database
Patent Archive
#303052
Patent Information
Transmitter For Telephone Time Signals
Charles W. Ruehle
August 5, 1884
Patent #303052
| Patent Number: | 303052 |
| Description: | Transmitter For Telephone Time Signals |
| Inventor(s): | Charles W. Ruehle |
| Patent Date: | Aug 5, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
